Footwear sole



FIG. 1 is a perspective view of the footwear sole embodying the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

The figures show features in broken lines that do not form any part of the claimed design. The broken lines immediately adjacent the solid line portions of the design form the boundary of the design, with the broken lines forming no part of the claimed design. The claimed design extends only to the shaded portions of the figures. FIGS. 3 and 4 show a hole extending through the footwear sole. 

CLAIM The ornamental design for a footwear sole, as shown and described. 